Currently the driver clears WCR_SRS bit when enabling the watchdog and this causes a software reset. Do not clear WCR_SRS.
Signed-off-by: Anatolij Gustschin agust@denx.de --- drivers/watchdog/imx_watchdog.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/imx_watchdog.c b/drivers/watchdog/imx_watchdog.c index 50e602a..d5993b4 100644 --- a/drivers/watchdog/imx_watchdog.c +++ b/drivers/watchdog/imx_watchdog.c @@ -19,6 +19,7 @@ struct watchdog_regs { #define WCR_WDBG 0x02 #define WCR_WDE 0x04 /* WDOG enable */ #define WCR_WDT 0x08 +#define WCR_SRS 0x10 #define WCR_WDW 0x80 #define SET_WCR_WT(x) (x << 8)
@@ -45,7 +46,7 @@ void hw_watchdog_init(void) #define CONFIG_WATCHDOG_TIMEOUT_MSECS 128000 #endif timeout = (CONFIG_WATCHDOG_TIMEOUT_MSECS / 500) - 1; - writew(WCR_WDZST | WCR_WDBG | WCR_WDE | WCR_WDT | + writew(WCR_WDZST | WCR_WDBG | WCR_WDE | WCR_WDT | WCR_SRS | WCR_WDW | SET_WCR_WT(timeout), &wdog->wcr); hw_watchdog_reset(); }